幽门梗阻易导致（）

幽门梗阻易导致（　　）。

下列项为幽门梗阻导致的呕吐？（　　）

幽门梗阻伴持续性呕吐易导致（　　）。

幽门梗阻导致呕吐的典型特点为（）

最易导致幽门梗阻症状的溃疡是（　）

下列哪项为幽门梗阻导致的呕吐？（　　）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。